insmod /home/satoken/ostest/util/../bin/test_mck.ko
create charcter device /dev/test_mck/mmap_dev(244:0)
create charcter device /dev/test_mck/mmap_dev2(244:1)
000000400000-000000401000 r-xs 0 0:0 0
000000600000-000000601000 r--s 0 0:0 0
000000601000-000000602000 rw-s 0 0:0 0
2aaaaa9f8000-2aaaaaa00000 rw-s 0 0:0 0
2aaaaaa00000-2aaaaaa21000 r-xs 0 0:0 0
2aaaaac21000-2aaaaac22000 r--s 0 0:0 0
2aaaaac22000-2aaaaac24000 rw-s 0 0:0 0
2aaaaac24000-2aaaaac26000 r-xs 0 0:0 0                  [vdso]
2aaaaac26000-2aaaaac27000 rw-p 0 0:0 0
2aaaaac4d000-2aaaaac4e000 rw-p 0 0:0 0
2aaaaac4e000-2aaaaae06000 r-xp 0 0:0 0                  /usr/lib64/libc-2.17.so
2aaaaae06000-2aaaab006000 ---p 0 0:0 0                  /usr/lib64/libc-2.17.so
2aaaab006000-2aaaab00a000 r--p 0 0:0 0                  /usr/lib64/libc-2.17.so
2aaaab00a000-2aaaab00c000 rw-p 0 0:0 0                  /usr/lib64/libc-2.17.so
2aaaab00c000-2aaaab011000 rw-p 0 0:0 0
2aaaab011000-2aaaab013000 rw-p 0 0:0 0
2aaaab013000-2aaaab014000 rw-p 0 0:0 0
2aaaab014000-2aaaab015000 r--s 0 0:0 0                  /dev/test_mck/mmap_dev2
547fff800000-548000000000 rw-s 0 0:0 0                  [stack]
Terminate by signal 11
remove /dev/test_mck
rmmod /home/satoken/ostest/util/../bin/test_mck.ko
*** CT_001 start *******************************
** check file type by readelf
  Type:                              CORE (Core file)
*** CT_001 PASSED ******************************

*** CT_002 start *******************************
** check that core contains vdso data
(gdb) x 0x2aaaaac24000
0x2aaaaac24000: 0x464c457f
*** CT_002 PASSED ******************************

*** CT_003 start *******************************
** check that core dose NOT contain devmap data
(gdb) x 0x2aaaab014000
0x2aaaab014000: Cannot access memory at address 0x2aaaab014000
*** CT_003 PASSED ******************************

*** CT_004 start *******************************
** check that core can be backtraced
(gdb) bt
#0  0x0000000000400ad0 in main (argc=1, argv=0x547ffffffd08) at devmap_and_segv.c:42
*** CT_004 PASSED ******************************

*** CT_005 start *******************************
** check that core can be got info registers
(gdb) info registers
rax            0x0      0
rbx            0x0      0
rcx            0x2aaaaac834a0   46912498054304
rdx            0x0      0
rsi            0x547ffffffa30   92908732545584
rdi            0x2      2
rbp            0x547ffffffc20   0x547ffffffc20
rsp            0x547ffffffb70   0x547ffffffb70
r8             0x0      0
r9             0x547ffffff930   92908732545328
r10            0x8      8
r11            0x246    582
r12            0xffff8001007d0dc0       -140733185192512
r13            0xffff800100770000       -140733185589248
r14            0xb98    2968
r15            0xffff80010078fa9c       -140733185459556
rip            0x400ad0 0x400ad0 <main+592>
eflags         0x10206  [ PF IF RF ]
cs             0x33     51
ss             0x3b     59
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0
(gdb)
*** CT_005 PASSED ******************************